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Exam Code: 1Z0-060

Exam Name: Upgrade to Oracle Database 12c

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1Z0-060 Exam Tests Total Q&A: 150 Questions and Answers

Last Update: 2016-10-25

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Exam Code: 1Z0-051

Exam Name: Oracle Database: SQL Fundamentals I

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1Z0-051 Exam Prep Total Q&A: 292 Questions and Answers

Last Update: 2016-10-25

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NO.1 Which three statements are true about the working of system privileges in a multitenant
control database (CDB) that has pluggable databases (PDBs)?
A. System privileges with the with grant option container all clause must be granted to a common
user before the common user can grant privileges to other users.
B. System privileges apply only to the PDB in which they are used.
C. The granter of system privileges must possess the set container privilege.
D. Common users connected to a PDB can exercise privileges across other PDBs.
E. Local users cannot use local system privileges on the schema of a common user.
Answer: A,B,C
Explanation:
A, Not D: In a CDB, PUBLIC is a common role. In a PDB, privileges granted locally to PUBLIC enable all
local and common users to exercise these privileges in this PDB only.
C: A user can only perform common operations on a common role, for example, granting privileges
commonly to the role, when the following criteria are met:
The user is a common user whose current container is root.
The user has the SET CONTAINER privilege granted commonly, which means that the privilege applies
in all containers.
The user has privilege controlling the ability to perform the specified operation, and this privilege has
been granted commonly
Incorrect:
Note:
* Every privilege and role granted to Oracle-supplied users and roles is granted commonly except for
system privileges granted to PUBLIC, which are granted locally.

NO.2 On your Oracle 12c database, you Issue the following commands to create indexes
SQL > CREATE INDEX oe.ord_customer_ix1 ON oe.orders (customers_id, sales_rep_id) INVISIBLE;
SQL> CREATE BITMAP INDEX oe.ord_customer_ix2 ON oe.orders (customers_id, sales_rep_id);
Which two statement are correct?
A. Only the ORD_CUSTOMER_IX1 index is created.
B. The optimizer evaluates index access from both the Indexes before deciding on which index to use
for query execution plan.
C. Both the indexes are updated when a new row is inserted, updated, or deleted In the orders table.
D. Only the ORD_CUSTOMER_IX2 index is created.
E. Both the indexes are created; however, only the ORD_COSTOMER index is visible.
Answer: C,E

1Z0-060 exam simulations   
Explanation:
11G has a new feature called Invisible Indexes. An invisible index is invisible to the optimizer as
default. Using this feature we can test a new index without effecting the execution plans of the
existing sql statements or we can test the effect of dropping an index without dropping it.